<template>
  <div>
     <div id="slider" class="mui-slider">
				<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
					<div class="mui-scroll">
						<a  :class="['mui-control-item', item.id == 0 ? 'mui-active' : '']"  v-for="(item, index) in cates" :key="index" @click="getPhotoList(item.id)">
							{{item.title}}
						</a>
					</div>
				</div>
      
        
      
			</div> 
      <ul class="photo-list">
          <router-link :to="'/home/photoinfo/' + item.id" v-for="(item, index) in list" :key="index" tag="li">
            <img v-lazy="item.img_url">
            <div class="info">
              <h1 class="info-title">{{ item.title }}</h1>
              <div class="info-body">{{ item.zhaiyao }}</div>
            </div>
          </router-link>
        </ul>
  </div>
  
</template>

<script>
import mui from "../../lib/mui/js/mui.min.js";

export default {
  
  mounted() {
    // 需要在组件的 mounted 事件钩子中，注册 mui 的 scroll 滚动事件
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    });
  },
  data(){
    return{
      cates:[],
      list:[]
    }
  },
  created(){
    this.getAllcategory();
    this.getPhotoList(0);
  },
  methods:{
    getAllcategory(){
      this.$http.get("api/getimgcategory").then(result => {
        if(result.body.status === 0){
          result.body.message.unshift({ title:"全部", id: 0 })
          this.cates = result.body.message
        }
      })
    },
    getPhotoList(cateId){
      
      this.$http.get("api/getimages/" + cateId).then(result => {
        if(result.body.status === 0){
          this.list = result.body.message
         
        }

      })
    }
  }
}
</script>

<style lang="scss" scoped>
* { touch-action: pan-y; }

.photo-list{
  list-style: none;
  margin: 0;
  padding: 10px;
  padding-bottom: 0;
  li{
    background-color: #ccc;
    text-align: center;
    margin-bottom: 10px;
    box-shadow: 0,0,9px,#999;
    position: relative;
    img{
      width: 100%;
      vertical-align: middle;
    }
    img[lazy="loading"] {
      width: 40px;
      height: 300px;
      margin: auto;
    }
    .info {
      color: white;
      text-align: left;
      position: absolute;
      bottom: 0;
      background-color: rgba(0, 0, 0, 0.4);
      max-height: 84px;
      .info-title {
        font-size: 14px;
      }
      .info-body {
        font-size: 13px;
      }
    }
  }
}
</style>
